+/**
+ * Reset all hash structure, by zeroing all entries.
+ * When RTE_HASH_EXTRA_FLAGS_RW_CONCURRENCY_LF is enabled,
+ * it is application's responsibility to make sure that
+ * none of the readers are referencing the hash table
+ * while calling this API.
+ *
+ * @param h
+ * Hash table to reset
+ */
+void
+rte_hash_reset(struct rte_hash *h);
+
+/**
+ * Return the number of keys in the hash table
+ * @param h
+ * Hash table to query from
+ * @return
+ * - -EINVAL if parameters are invalid
+ * - A value indicating how many keys were inserted in the table.
+ */
+int32_t
+rte_hash_count(const struct rte_hash *h);
+
+/**
+ * Add a key-value pair to an existing hash table.
+ * This operation is not multi-thread safe
+ * and should only be called from one thread by default.
+ * Thread safety can be enabled by setting flag during
+ * table creation.
+ * If the key exists already in the table, this API updates its value
+ * with 'data' passed in this API. It is the responsibility of
+ * the application to manage any memory associated with the old value.
+ * The readers might still be using the old value even after this API
+ * has returned.
+ *
+ * @param h
+ * Hash table to add the key to.
+ * @param key
+ * Key to add to the hash table.
+ * @param data
+ * Data to add to the hash table.
+ * @return
+ * - 0 if added successfully
+ * - -EINVAL if the parameters are invalid.
+ * - -ENOSPC if there is no space in the hash for this key.
+ */
+int
+rte_hash_add_key_data(const struct rte_hash *h, const void *key, void *data);
+
+/**
+ * Add a key-value pair with a pre-computed hash value
+ * to an existing hash table.
+ * This operation is not multi-thread safe
+ * and should only be called from one thread by default.
+ * Thread safety can be enabled by setting flag during
+ * table creation.
+ * If the key exists already in the table, this API updates its value
+ * with 'data' passed in this API. It is the responsibility of
+ * the application to manage any memory associated with the old value.
+ * The readers might still be using the old value even after this API
+ * has returned.
+ *
+ * @param h
+ * Hash table to add the key to.
+ * @param key
+ * Key to add to the hash table.
+ * @param sig
+ * Precomputed hash value for 'key'
+ * @param data
+ * Data to add to the hash table.
+ * @return
+ * - 0 if added successfully
+ * - -EINVAL if the parameters are invalid.
+ * - -ENOSPC if there is no space in the hash for this key.
+ */
+int32_t
+rte_hash_add_key_with_hash_data(const struct rte_hash *h, const void *key,
+ hash_sig_t sig, void *data);
+